Planetary nebula

JWST captured this new image of the Ring Nebula in unprecedented detail. Formed by a star throwing off its outer layers as it runs out of fuel, the Ring…

10 Years of Mesmerizing Photos From NASA's Spitzer Space Telescope | WIRED

Messier 57 - The Ring Nebula Credit: NASA/ESA HST, Spitzer ST, Giuseppe Donatiello RA: 283,387° Dec: 33,026 The Ring Nebula (Messier 57 or NGC 6720) is a planetary nebula in Lyra and it is illuminated by a central white dwarf or planetary nebula nucleus (PNN) of 15.75 visual magnitude. All the interior parts of this nebula have a blue-green tinge that is caused by the doubly ionized oxygen emission lines at 495.7 and 500.7 nm. In the outer region of the ring, part of the reddish hue is…

𝐌𝐲𝐂𝐧 𝟏𝟖: 𝐓𝐡𝐞 𝐄𝐧𝐠𝐫𝐚𝐯𝐞𝐝 𝐇𝐨𝐮𝐫𝐠𝐥𝐚𝐬𝐬 𝐏𝐥𝐚𝐧𝐞𝐭𝐚𝐫𝐲 𝐍𝐞𝐛𝐮𝐥𝐚 Do you see the hourglass shape -- or does it see you? If you can picture it, the rings of MyCn 18 trace...

The Helix Nebula (NGC 7293 or also the eye of God): Planetary nebula in the constellation Aquarius with brightness of +6.30. The apparent diameter is specified with 16.0 'x 28.0'. Photo shown here has a diagonal field of view width (FOV) of slightly more than 1 °. The whole structure with all the fine nebulae around is much greater than the usually specified diameter. Picture was stacked from 200 shots h-Alpha & 135 shots RGB with a total exposure time of 37 hrs.

This Hubble telescope snapshot of MyCn18, a young planetary nebula, reveals that the object has an hourglass shape with an intricate pattern of 'etchings' in its walls. A planetary nebula is the glowing relic of a dying, Sun-like star.

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